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Bv350 clunk

I have a 2016 BV350 with less than 3000 miles on it. When I start out,particularly fast starts I hear a clunking. It sounds like a loose motor mount or maybe some slack somewhere in the drive train. It's hard to tell from the drivers seat. Anybody have any ideas??

One time clunk, or continued clunk? does it happen when engine is cold, or all the time? Does road conditions have any affect on clunking?

Jerry

Single clunk, any engine temp and road conditions aren't a factor. Only acceleration. Like if you have a car with a bad motormount and you torque up the engine in gear. The motor shifts and clunks. that kind of clunk

Have you tried applying just the rear brake alone reasonably hard to see if you get a similar clunk from every thing shifting in the opposite direction? You also may want to try pushing and then pulling on the handlebars to verify its not the steering head bearing or handle bars shifting.

Try removing the top case and emptying both the glove box and under seat storage area before going too far looking for mechanical issues so you can rule out a tool, flashlight, water bottle, etc rolling about.

Have you modified the bike in any way? At 3,000 miles there are really no services aside from the run-in oil changes and possible the 2 year coolant and brake flushes that needed to be done. Oil changes are every 10,000 Kilometers/6,250 miles and belt/roller server at 20,000 Kilometers/12,500 miles so its nowhere close to needing belt or variator service eliminating the chance that the variator was not torqued back on correctly after you bought it especially since the BV 350 does not really benefit that much from changing to sliders so there was really no need to open the CVT case even for that.

If its less than 2 years old and only has 3,000 miles on it you should not be having mechanical issues and should still be under full warranty from Piaggio so if its not something shifting about in the Top Case, etc personally I would let the dealer take care of it under the warranty.

Well I got down there with my stethoscope today and the noise is definitely coming from the clutch area. No dealers close around and no other BV350's close around to listen to. It's running fine so I guess I'll just assume it's the nature of the beast until I find out different